US46479A - Improvement in wood-bending machines - Google Patents
Improvement in wood-bending machines Download PDFInfo
- Publication number
- US46479A US46479A US46479DA US46479A US 46479 A US46479 A US 46479A US 46479D A US46479D A US 46479DA US 46479 A US46479 A US 46479A
- Authority
- US
- United States
- Prior art keywords
- drum
- wood
- levers
- improvement
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005452 bending Methods 0.000 title description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 241000152160 Ira Species 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H1/00—Bending wood stock, e.g. boards
Definitions
- JOHN PHILIP LEBZELTER 0F LANCASTER, PENNSYLVANIA.
- Fig. 4 shows one end of the felly-covering hoop or band with its terminal right-angled hook, slot, and wedge in relation to the drum and rod or shaft B It, somewhat enlarged from the same, shown in Fig. 1.
- the operation for bending is performed -by two men or boys.
- the steamed straight wood to form the felly is laid with its center on the rear ledge and center of the drum, the side or winged levers drawn back, the felly N covered with its band or hoop iron M, (provided with the slotted hook K, Fig. 4.)
- the winged levers are operated simultaneously on both sides. They grasp the handed felly, (keeping also the head of the shifting or eccentric lever L with its narrow side against the band,) and bend it around the drum until the levers, Fig. 1, come in contact with the catch in the spring or springs H, where they are securely held. I now avail myself of the eccentric lever L to press the ends still closer by'means of the same.
- drums are employed in various ways, revolving and affording level- ⁇ age, as well as in combination with chains7 2.
- the eccentric lever L on its vertical shaft F, for shifting it up and down, in combination with the slotted hook K, Wed ge l?, and rod or shaft R, arranged and operating substantially in the manner and for the purpose specified.
Description
IIN-.ira Srafrns Arergrrice.
JOHN PHILIP LEBZELTER, 0F LANCASTER, PENNSYLVANIA.
Specification forming part of Letters Patent No. 416,479. dated February 21: 1865- To all whom it may concern Be it known that I, JOHN PHILIP LEB- ZELTER, of the city of Lancaster, in the county of Lancaster and State of Pennsylvania, have invented new and useful improvements on machines for bending fellies for the semi-diameter of wheels for vehicles; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the accompanying drawings, making a part of this specification, in which- Fignre l is a perspective view of the machine with my improvements in place. Fig. 2 isl one of the framed or winged levers, together with the eccentric shifting-lever on its shaft; Fig. 3, the eccentric lever and shaft, shown separate. Fig. 4 shows one end of the felly-covering hoop or band with its terminal right-angled hook, slot, and wedge in relation to the drum and rod or shaft B It, somewhat enlarged from the same, shown in Fig. 1.
There is no special novelty in the drum itself, except that it is stationary, attached by bolts to two upright posts, A A, on the center of its straight side' or diameter in front. There is another post, A', not connected with the drum B, leaving a sufficient space between it and the curved portion of the drum for operating. These three posts are framed into the iioor or base piece D and top piece, C, forming the iixed portions of the machine, together with the projecting bottom or ledge of the drum, and central longitudinal partition, B', vertical sides in front, and shaft or rod, between which shafts and sides the wedges are also retained, hereinafter explained. On the top and the bottom of the drum on each sidesay at a point two-thirds of the distance back from the front-there is a projecting plate, T, Fig. 2, bolted to the drum, each projection furnished with a hole for the pivot-plate, G, attached to the framed or winged levers, Fig. 2. They may also be attached by means of hinges when it is not designed to use the same pair of levers on separate drums. Bymeans of the pivot-plates Gr on t-he pieces E of the frame they are readily put on or taken off. One of these levers, as already intimated, is on each side of the drum, as shown. There is also a vertical shaft, F, on the arms E of the winged levers. 0n this shaft there is a lever, L, with its head Z, having its eye, through which the shaft F passes, removed from the center. There is also a spring, or, as shown,
two springs, H, bolted centrally to the uprights A A in front, projecting on each side, with rounded heads I, and holding-notch, tapered out7 as shown, for the purpose of holding the winged levers when their ofce of bending is accomplished.
The operation for bending is performed -by two men or boys. The steamed straight wood to form the felly is laid with its center on the rear ledge and center of the drum, the side or winged levers drawn back, the felly N covered with its band or hoop iron M, (provided with the slotted hook K, Fig. 4.) Thus placed and adjusted, the winged levers are operated simultaneously on both sides. They grasp the handed felly, (keeping also the head of the shifting or eccentric lever L with its narrow side against the band,) and bend it around the drum until the levers, Fig. 1, come in contact with the catch in the spring or springs H, where they are securely held. I now avail myself of the eccentric lever L to press the ends still closer by'means of the same. When I introduce the wedges P into the slots of the hooks K, this wedge enters and is iirmly supported also between the vertical side of the drum B and rods R on each side. Thus secured in less time than it takes to describe it, the winged side levers are released and a second fellylaid on and bent in like manner, the eccentric lever slid upward on each successive application of a felly till the drum is covered from bottom to top.
In order to take the strain from the outer surface of the fellyin bending, Iemploy a block or wedge, o, of soft wood, between the end of the felly and band on each side, which tend to compress the inner. surface of the wood or felly and prevents them from cracking, to which they are very liable by almost every method heretofore employed lfor bending. Having an extensive factory in which I employed various machines embraced in several patents, necessity has compelled me to lay them aside, and have resource to my own invention. From my experience I am satisfied of the superiority of this machine, both for speed and efliciency.
I am aware that drums are employed in various ways, revolving and affording level-` age, as well as in combination with chains7 2. The eccentric lever L on its vertical shaft F, for shifting it up and down, in combination with the slotted hook K, Wed ge l?, and rod or shaft R, arranged and operating substantially in the manner and for the purpose specified.
JOHN PHILIP LEBZELTER.
Witnesses WM. B. WILEY, JACOB STAUFFER.
Publications (1)
Publication Number | Publication Date |
---|---|
US46479A true US46479A (en) | 1865-02-21 |
Family
ID=2116037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US46479D Expired - Lifetime US46479A (en) | Improvement in wood-bending machines |
Country Status (1)
Country | Link |
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US (1) | US46479A (en) |
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0
- US US46479D patent/US46479A/en not_active Expired - Lifetime
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